In today's Guardian this moving set of murals shows the power of the artist as prophet and why repressive regimes have often wanted to silence them
'Zoo Project', is a Franco-Algerian graffiti artist based in Paris, who visited Tunis in March and April and created images of political struggle.
As well as a series of murals, Zoo Project created 40 life-sized figures representing some of the 236 people who were killed in the uprising in Tunisia earlier this year.
Acapella version of the epic Crosby Stills Nash song
( if you are old enough to remember !)